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Whether it happens daily, seasonally, or once a year, animal migration remains a spectacular and mysterious event. Why do animals migrate? This program addresses that question as it documents the itinerant habits of a wide range of species. Viewers learn about the various reasons for migration, including finding food, escaping seasonal climate changes, and breeding. The video depicts whales swimming from the Arctic to give birth in warm Mexican waters;...
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Acclaimed scientist and author Bernd Heinrich has returned every year since boyhood to a beloved patch of western Maine woods. What is the biology in humans of this deep in the bones pull toward a particular place, and how is it related to animal homing? Heinrich explores the fascinating science chipping away at the mysteries of animal migration: how geese imprint true visual landscape memory; how scent trails are used by many creatures, from fish...
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The mystery of where some animals disappear to each year puzzled early naturalists. Do swallows hibernate in mud or under water? Where do our butterflies suddenly appear from each spring? The discovery of the swallow's epic migration and the butterfly's magical transformation were scientific stories cloaked in mystery and controversy.
12) Migration
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This book describes animal migrations and why these migrations take place.
13) Migration
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Looks at migration as one of nature's cycles, discussing what it is, when and why it occurs, and the animals that migrate.
14) Migration
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Provides an introduction to migration, explaining how and why different animals migrate.